How A “Big Bet” Remains Poised for Future Outperformance

International deep value stocks are a high-conviction, active position across all GMO Asset Allocation portfolios. We define the deep value group of securities as the cheapest 20% of the market, a broad opportunity set that allows us to construct portfolios that are cheaper than traditional value indexes but still high in quality. So far, this bet has paid off: GMO’s deep value strategies have delivered truly impressive performance, yet they remain attractively priced.

Our thesis? International deep value has shown potential for future outperformance:

  • Attractive valuations in non-U.S. markets as opposed to the U.S. market, which has become increasingly expensive and concentrated
  • Exposure to cheap currencies like the yen, euro, and pound sterling
  • Historically wide value spreads, meaning that deep value has the potential for strong outperformance in a mean reversion scenario.

Outperformance through active management

While each of these factors has contributed to strong recent performance, meaningful reversion potential remains. The active opportunity set for GMO’s deep value portfolios continues to be robust, supported by security selection alpha and active portfolio rotation.

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To illustrate, we focus on one of our deep value strategies, the GMO International Value ETF (GMOI). As shown in Exhibit 1, GMOI extended its 2025 outperformance through Q1 of 2026.